answer this question fast please
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okay I am trying to answer u
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We know that,
a + 1/a =
(a + 1/a)^3 = a^3 + 1/a^3 + 3 a + 3/a
= a^3 + 1/a^3 + 3(a + 1/a)
= a^3 + 1/a^3 +
a^3 + 1/a^3 = 0
HENCE PROVED
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